Journal of Global Optimization
An algebraic approach to network coding
IEEE/ACM Transactions on Networking (TON)
IEEE/ACM Transactions on Networking (TON) - Special issue on networking and information theory
Design of repeat-accumulate codes for iterative detection and decoding
IEEE Transactions on Signal Processing
LDPC Code Design for Half-Duplex Cooperative Relay
IEEE Transactions on Wireless Communications - Part 2
Design of capacity-approaching irregular low-density parity-check codes
IEEE Transactions on Information Theory
IEEE Transactions on Information Theory
Cooperative Strategies and Capacity Theorems for Relay Networks
IEEE Transactions on Information Theory
Raptor codes on binary memoryless symmetric channels
IEEE Transactions on Information Theory
Bilayer Low-Density Parity-Check Codes for Decode-and-Forward in Relay Channels
IEEE Transactions on Information Theory
Low density parity check codes for the relay channel
IEEE Journal on Selected Areas in Communications
Complex Field Network Coding for Multiuser Cooperative Communications
IEEE Journal on Selected Areas in Communications
A Two-Way MIMO Relaying Scheme with Partial Channel State Information
Wireless Personal Communications: An International Journal
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We consider the code design for a half-duplex 4- node joint relay system with two sources, one relay, and one destination. The relay combines the information from both sources and transmits it to the destination together with both sources. We consider two coding schemes for information combining at the relay, namely, the superposition coding (SC) and the Raptor coding (RC). The Raptor codes are employed at the sources as well as the relay. The relay and the destination perform iterative a posteriori probability (APP) detection and soft Raptor decoding. For both SC and RC, the profiles for Raptor codes are optimized based on the extrinsic information transfer (EXIT) function analysis. For both the additive white Gaussian noise (AWGN) and block fading channels, the joint relay system with optimized profiles exhibits significant performance gains over that employing the code profile optimized for either the singleuser AWGN channel or the 2-user multiple-access channel.